Hans Rosling studied statistics and medicine at Uppsala University, Sweden 1967-1974 and public health at St Johns Medical College in Bangalore, India in 1972. From 1979 to 1981 he served as District Medical Officer in Northern Mozambique. As an employee of the National Health Service in Mozambique, he was in charge of clinical health service for 360 000 inhabitants and during 6 months was their only MD. In 1981, with the Ministry of Health, he investigated a paralytic disease outbreak that permanently crippled more than 1000 women and children during a drought in a remote rural area. In 1997 he became professor in international health at Karolinska Institutet.